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Crime Scene Investigator

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samantha sequeira

on 9 April 2014

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Transcript of Crime Scene Investigator

Crime Scene Investigator
Job Description
What does a crime scene investigator do?
On a regular day, an investigator would examine evidence from a crime scene. They collect and preserve evidence such as bones, fingerprints, footprints, tire tracks, tool marks, fibers, blood, hairs, paint chips and DNA from crime scenes. Crime scene investigators have to be ready to work day or night, and they have to be okay with dealing with dead bodies.CSIs being experienced police officers who are highly trained in crime scene analysis and evidence recovery are involved in the investigation of many different types of crime, including murder, assault, and break and enter. It is their job to examine the crime scene, and to collect as much evidence and information as they can through clues and evidence. In addition, some CSIs are trained to perform bloodstain pattern analysis.
Job Requirements
What does someone need to know in order to get a job as a crime scene investigator?
The field of crime scene
investigation is always changing,
but some of the basic things you
need to know as a crime scene
investigator is how to collect
fingerprint, DNA, or blood
evidence.
The Numbers
Trigonometry
Trigonometry is used to find out how blood splatters end up on walls or on the ground. They draw lines from the victim's body to the blood splatters to see where the murderer stood, how hard the attack was, etc.
Grade 9
Grade 10
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Grade 12
English
Mathematics
Science
Social Studies
Creative Arts
Health & Physical Education
French
Computers


English
Mathematics
Science
Social Studies
Personal & Career Development
Health & Physical Education
Computers
English
Mathematics
Biology
Chemistry
Physics
Social Studies
Health & Physical Education
Computers
English
Mathematics
Biology
Chemistry
Physics
Social Studies
Law
Health & Physical Education / Computers
In order to become a crime scene investigator, you must first become a police officer. Since recruitment is competitive, it is better to have a college diploma or university degree. In some cases, post-secondary education is mandatory. Relevant programs include police studies, criminal justice, sociology, criminology, psychology, and law. Courses in biology, chemistry, and forensics are highly beneficial for aspiring CSIs.
12ft
17
tan 17=
x
12
x=3.7
3'8'-arm height
.870
44
h
= .870
51 4'2" criminal
Body shot
Y
20in
tan12=
360in
y
360
6'4" shooter
tan12=
x
20
-3ft
calf wound
CSI agents must know the angle of impact for certain of wounds
Investigators can determine where the victim has been shot, the trajectory of the bullet as the result of blood splatter and patterns, where the victim was originally injured,type of weapon used, number of blows to the body, angle of impact, size and area of origin of the perpetrator
Bullet shot
Samantha Sequeira
MFM2P
Mr. Costello

Resources
Career Cruising; Crime scene investigator https://www2.careercruising.com/careers/profile-at-a-glance/634
Trigonometry in the field of criminal justic;http://pdw2kx.wordpress.com/2009/02/08/trigonometry-in-the-field-of-criminal-justice/
High school courses
where' the shooter?
Where’s the Shooter?Carolina™ Bullet Trajectory Kit;http://www.carolina.com/pdf/manuals/212124-Teachers-Manual-Sample-pgs.pd
The process of reconstructing a crime scene using a single bullet hole is based on
the properties of right triangles. We know that inside a right triangle the three
angles must total 180°, and we know that one of the angles is a right angle, or
90° (the angle between the floor and the wall). Therefore, if we know just one of
the other two angles, we can solve for the third. Take the following example:
c
A=55
Dexter is an dramatic television series. The series centers around the fictional character of Dexter Morgan; a blood spatter pattern analyst for Miami Metro Police Department who also leads a secret life as a serial killer, hunting down criminals who have slipped through the cracks of the justice system. As a blood spatter pattern analyst (his day job) Dexter arrives on site.......gathering up the evidence needed to target his next victim through a very elaborate CODE of his own personal brand of justice.
a=31"
b
B=90
C=?
If we know the shoulder height of our suspect and the length of a (distance from impact point to a position on the wall at 90° from the shooter’s shoulder), we can determine how far the shooter was from the point of impact when firing the gun (b). We need to use shoulder height rather than total height because this is the height from which a gun is fired
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